PDF schematic from Topstar for the X01 board, marked RB in the name, which likely denotes a revision, 958 KB.

Schematic PDF of the Topstar C49 mainboard, revision A, 1.28 MB. Topstar is an ODM producing laptops for numerous rebranded models, so match the board code on the PCB…

Schematic PDF for the Topstar S42Q laptop board at revision A, 1.89 MB in size. The name gives no further detail on chipset or processor platform.

PDF schematic, 548 KB, for a TopStar device labelled X03. The name gives only the brand and model, without a board number, revision or ODM.

Circuit diagrams for the Topstar D23I board, revision B, delivered as a 1.11 MB PDF. Beyond the model code and revision, the file name carries no chipset, CPU or ODM…

Short PDF, only 32.2 KB, describing the power-on sequence for Topstar C46 and C48 boards.

Microsoft schematic in PDF form for the Caravel top motherboard, 5.31 MB in size. The name gives no product model, so confirm on the hardware that the Caravel top board…

PDF schematic of the Topstar X03 board, 548 KB. The name gives no revision or date, so confirm the board version against the title block in the drawings.

Schematic of the Topstar M42P motherboard, revision B, dated 26 February 2008 in the file name, 1.62 MB PDF.

Topstar N01 schematic, revision B, dated 01 September 2008 according to the name, a 1.05 MB PDF. The date helps distinguish it from earlier revisions of the same board.

Small PDF, about 87 KB, for board 15341-1 marked TOP, which suggests a top-side component layout drawing rather than a full circuit diagram.

Schematic for the K468 project, labeled TOP-2, on the Wistron board 10259-1 with PCB part number 48.4IN01.01.

Top-side component placement drawing for the Compal LA-F541P motherboard, a 359 KB PDF that pairs with a separate bottom-side file.

PDF schematic of 1.80 MB labelled U8150 TOP4, apparently a top-side layout or schematic page for a device using a U8150 part or model code; the name does not state the…

Bottom-side PDF sheet for the Z8V board, 438 KB, companion to a separate top-side page. The name states no laptop brand, model or revision.

Schematic for the Xiaomi Mi 4 LTE smartphone, a 1.32 MB PDF. It documents the circuit connections used when diagnosing power, charging, audio, display or radio problems…

Spanish-language course chapter on basic electronics, provided as an 817 KB PDF and apparently the same content as the numbered topic 2 of the series.

Topic 6 of a Spanish smartphone repair course, focused on diagnosing and solving hardware faults, in a 308 KB PDF. No model or board number is stated.

Scanned photo reference for the Apple logic board 820-01814, saved as a 3.17 MB PDF. Apple marks its logic boards with 820- part numbers, and these scans show the real…

Spanish course section 3.4 on the microscope, a brief 114 KB PDF from the workshop equipment chapter of a mobile repair series. No microscope brand or model is stated.

Schematics with document number sr28c51351, revision B, marked NA VZ PROD with code 0302, in a 1.01 MB PDF; NA and VZ suggest a North American Verizon production build…

PDF titled BOT, catalogued as a schematic and 232 KB in size; the name gives no model, brand or board number.

Spanish training PDF on identifying the parts of a smartphone, describing the main components and modules found inside a typical handset.

Bottom-side placement drawing in PDF for the Xiaomi M1s board at the P3 build stage. It shows where components and their designators sit on the underside, so a part…

Schematic PDF named only with the number 15250, about 2.06 MB, with no brand or model given.

PDF covering the bottom side of the board labelled Cyperss Point, likely a misspelling of Cypress Point. It pairs with the top-side file in this collection.

Mirrored bottom-layer placement sheet in PDF for the Xiaomi M1 board, labelled as an updated version.

Schematic in PDF form labelled VX9G5M, with the added word SIMILAR suggesting it is a close or compatible design rather than an exact match for that board.

Top-side board drawing for the Xiaomi Mi 4 LTE phone, a compact 42.9 KB PDF indicated by the board_up label.

Short electronics course in Spanish, a 1.26 MB PDF catalogued with schematics but evidently a teaching document rather than a circuit for a particular device.

Board view drawing in PDF format for the Gigabyte GA-RP65Y9, revision 1.0, 1.92 MB, and likely the same content as other copies sharing this name.

Spanish-language PDF titled semiconductores, 2.49 MB, with no device or brand stated in the name.

Schematic for the 60 W NDFL amplifier published by ETI in 1983, combined with a regulated power supply, in a 6.74 MB PDF.

Component distribution diagram for the top side of the Xiaomi Mi 5 mainboard, translated from the Chinese file name, delivered as a 52.3 KB PDF that is probably one…

PDF of the bottom side for LCFC board NM-A181 at revision 1.0, a Lenovo design whose name marks it as the BOT layer.

Bottom-side placement drawing for the Compal LA-F391P board, a 106 KB PDF that pairs with the top-side view and the full BRMLK12U schematic.

Bottom-side placement drawing for Compal-made motherboard LA-8821P, a 584 KB PDF. The name does not state the laptop brand, model or board revision.

PDF schematic for the Dell Inspiron 15-5000 series on Compal motherboard LA-B012P, revision r10, and noticeably larger at 3.06 MB than some other copies of the same…

PDF drawing of the bottom side of board 15341-1, a number in the Wistron pattern, about 219 KB.